fix bug introduced by warning logs: errors didn't print because they are logged to the warnings file
fix bug introduced by warning logs: errors didn't print because they
are logged to the warnings file

orentadmor/caffe,longjon/caffe,gogartom/caffe-textmaps,gnina/gnina,gnina/gnina,gnina/gnina,longjon/caffe,wangg12/caffe,tackgeun/caffe,tackgeun/caffe,gnina/gnina,wangg12/caffe,CZCV/s-dilation-caffe,CZCV/s-dilation-caffe,orentadmor/caffe,gogartom/caffe-textmaps,gogartom/caffe-textmaps,longjon/caffe,wangg12/caffe,tackgeun/caffe,orentadmor/caffe,CZCV/s-dilation-caffe,tackgeun/caffe,gnina/gnina,CZCV/s-dilation-caffe,gnina/gnina,gogartom/caffe-textmaps,orentadmor/caffe,longjon/caffe,wangg12/caffe